APA引文

Joseph A Pecar. The McGraw-Hill telecommunications factbook. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Joseph A Pecar. The McGraw-Hill Telecommunications Factbook. New York: McGraw-Hill.

MLA引文

Joseph A Pecar. The McGraw-Hill Telecommunications Factbook. New York: McGraw-Hill.

警告：這些引文格式不一定是100％准確.